/*
+--------------------------
| FreeloaderOS v0.0.1
|  - Microkernel
+--------------------------
| Written by Alec Hussey
| Copyright (c) 2007
|  - Deus X Foundation
+---------------------------
*/

/*
 * Interrupt Service Routines
 */

#include <sys/system.h>
#include <sys/isrs.h>

/*
Register ISRs from 0 through 31
*/
void init_isrs()
{
	idt_set_gate(0, (unsigned)isr0, 0x08, 0x8E);
	idt_set_gate(1, (unsigned)isr1, 0x08, 0x8E);
	idt_set_gate(2, (unsigned)isr2, 0x08, 0x8E);
	idt_set_gate(3, (unsigned)isr3, 0x08, 0x8E);
	idt_set_gate(4, (unsigned)isr4, 0x08, 0x8E);
	idt_set_gate(5, (unsigned)isr5, 0x08, 0x8E);
	idt_set_gate(6, (unsigned)isr6, 0x08, 0x8E);
	idt_set_gate(7, (unsigned)isr7, 0x08, 0x8E);
	idt_set_gate(8, (unsigned)isr8, 0x08, 0x8E);
	idt_set_gate(9, (unsigned)isr9, 0x08, 0x8E);
	idt_set_gate(10, (unsigned)isr10, 0x08, 0x8E);
	idt_set_gate(11, (unsigned)isr11, 0x08, 0x8E);
	idt_set_gate(12, (unsigned)isr12, 0x08, 0x8E);
	idt_set_gate(13, (unsigned)isr13, 0x08, 0x8E);
	idt_set_gate(14, (unsigned)isr14, 0x08, 0x8E);
	idt_set_gate(15, (unsigned)isr15, 0x08, 0x8E);
	idt_set_gate(16, (unsigned)isr16, 0x08, 0x8E);
	idt_set_gate(17, (unsigned)isr17, 0x08, 0x8E);
	idt_set_gate(18, (unsigned)isr18, 0x08, 0x8E);
	idt_set_gate(19, (unsigned)isr19, 0x08, 0x8E);
	idt_set_gate(20, (unsigned)isr20, 0x08, 0x8E);
	idt_set_gate(21, (unsigned)isr21, 0x08, 0x8E);
	idt_set_gate(22, (unsigned)isr22, 0x08, 0x8E);
	idt_set_gate(23, (unsigned)isr23, 0x08, 0x8E);
	idt_set_gate(24, (unsigned)isr24, 0x08, 0x8E);
	idt_set_gate(25, (unsigned)isr25, 0x08, 0x8E);
	idt_set_gate(26, (unsigned)isr26, 0x08, 0x8E);
	idt_set_gate(27, (unsigned)isr27, 0x08, 0x8E);
	idt_set_gate(28, (unsigned)isr28, 0x08, 0x8E);
	idt_set_gate(29, (unsigned)isr29, 0x08, 0x8E);
	idt_set_gate(30, (unsigned)isr30, 0x08, 0x8E);
	idt_set_gate(31, (unsigned)isr31, 0x08, 0x8E);
}

/*
Check for exceptions from 0 through 31 and 
if so, halt the system with an inifinite loop.
*/
void fault_handler(struct regs *r)
{
	if (r->int_no < 32)
		panic(exception_messages[r->int_no], (unsigned char*)r->err_code);
}
